Research Article

A Study on Astrazon Black AFDL Dye Adsorption onto Vietnamese Diatomite

Figure 6

Effect of initial dye concentration on the adsorption of AB at 25°C. Adsorption condition: initial AB concentration: 150–900 mg L−1, temperature = °C, mass of adsorbent = 2.0 g, volume of solution = 1000 mL, stirring speed = 300 rpm, and pH of dyes solution = 7.